# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    K. Kato, K. Miyata, V. V. Badikov, V. Petrov.
    Phase-matching properties of BaGa<sub>2</sub>GeSe<sub>6</sub> for three-wave interactions in the 0.778–10.5910 μm spectral range.
    <a href="https://doi.org/10.1364/AO.57.007440"><i>Appl. Opt.</i>, <b>57</b>, 7440–7443 (2018)</a>
COMMENTS: |
    Ordinary ray (o); room temperature.
CONDITIONS:
    direction: o
DATA:
  - type: formula 4
    wavelength_range: 0.778 10.6
    coefficients: 7.39367 0.27086 0 0.06961 1 1513.10 0 1237.35 1